Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb. ~4 X5 |+ F. @+ v* r
Weigh group 1 & 2
, }8 N! b! r4 ~/ b' O8 h( Qtvb now,tvbnow,bttvbthen weigh group 2 & 3tvb now,tvbnow,bttvb# q+ B, n- @$ z6 u3 S$ ^
If the results are Equal & Equal, it means the ball with the different weight is in group 4.tvb now,tvbnow,bttvb9 F- F, g$ Y+ z9 D. f o# D
If the results are Equal & Unequal, it means the ball is in group 3.7 }. c7 E( c2 R8 A7 O
If the results are Unequal & Equal, it means the ball is in group 1.
2 e3 z2 Q# |, R& O p, l1 }1 t1 bIf the results are Unequal & Unequal, it means the ball is in group 2.5.39.217.77:88984 \8 Y2 \% x4 R2 A& g2 D: U
) U! F: L' m) L I" \! m$ {. _TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Once you determine the group that contains the ball.
1 R: K5 k3 _/ Y7 P公仔箱論壇Simply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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